Heat the Nutella to thin it out. The Nutella should become quite thin.
Step 2
Mix it with the cookie crumbs, and place in the bottom of a baking dish, press down firmly, and place in the refrigerator.
Step 3
Melt the white chocolate and let it cool.
In another bowl whip the cream until stiff peaks appear. Set aside.
Step 4
In a medium bowl beat together cream cheese, sugar and cooled white chocolate, fold in the whipped cream.
Step 5
Remove the base from the fridge, spread the cream cheese mixture on top.
Step 6
Melt dark chocolate the same as the Nutella. Let cool. Drizzle dark chocolate over the filling and gently swirl with the tip of a knife. Refrigerate until very firm. Cut into bars and serve.